Home / 48,548.46-72,792.52-20,454.04

Finding the Fourth Proportional to 48,548.46, 72,792.52 and 20,454.04

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Solution

The fourth proportional to 48,548.46, 72,792.52 and 20,454.04 is: 30,668.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,548.46 : 72,792.52 = 20,454.04 : x
  2. Step 2: Convert to fraction form
    48,548.46/72,792.52 = 20,454.04/x
  3. Step 3: Cross multiply
    48,548.46x = 72,792.52 × 20,454.04
  4. Step 4: Simplify right side
    48,548.46x = 1,488,901,115.78
  5. Step 5: Solve for x
    x = 1,488,901,115.78/48,548.46
  6. Step 6: Final answer
    x = 30,668.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.